AA batteries

AA batteries are the most popular today. They are used in computer monitors, radio electronic equipment, power banks, remote controls, and other devices. The sheer abundance of options makes users wonder which battery is the best. You'll learn about this and much more in this article.

Characteristics of AA batteries

For those new to the subject, what AA batteries look like is a bit confusing. They're essentially an elongated cylinder with a raised bump at one end. This is the positive terminal. The other end is a flat disk. Sometimes, there's also a barely noticeable pimple-like protrusion there, separated by a layer of dielectric material. This insulation prevents the two terminals from touching.

The manufacturer affixes a label to the zinc cup. This label is the first thing consumers notice about the brand and type of battery. As is standard practice, technical information about the expiration date, manufacturing date, voltage, and much more is also included in small print.

The main marking is the inscription "aa" or "AA." This designates a specific class of AA batteries of a certain size.

1. Type Duracellaa
2. Chemical or electrolyte. In this case, alkali.
3. MN1500 is a specific marking. It probably refers to the capacity in mAh.
4. Production date.
5. Brand.
6. Negative pole.
7. Positive contact.

Main technical characteristics of AA batteries

Let us highlight a number of important parameters.

Battery size AA

Dimensions may vary depending on the manufacturer, but typically they don't exceed a couple of millimeters.

Length: 50.5 mm.

The positive contact diameter is 5 mm.

The diameter of the negative pole is 14.5 mm.

The size is designated as AA or LR6 (lr06)

AA battery contacts are made of metal. Avoid exposing them to moisture, as this can cause corrosion.

The English inscription on the case “Do not recharge” indicates that charging is impossible.

How much does an AA battery weigh?

The weight fluctuates around 22 grams.

 

GOST for AA batteries

Each company has its own standards for different energy sources.

Capacity

1. WITHleft 550 – 1550 mAh
2. Alkaline from 2700 milliamps to 3000.
3. Lithium 3000 – 3500 mAh. Marked as FR

Voltage: 1.5 v.

Chemistry: alkaline, saline, cast.

Current strength

It depends on the internal and external resistance of the battery. Each battery produces a different amount of power. Ultimately, an AA battery produces approximately 750 mAh. Power is quite unstable and can drop quickly.

Shelf life of AA batteries

These batteries can last from 1 to 5 years! If they haven't been used for 3-4 years, they're likely dead.

Read also the article battery life.

Composition of an AA battery

Most often, these energy sources consist of:

1. Positive conclusion.
2. Negative pole.
3. Advertising signs.
4. Labels.
5. Zinc cup.
6. Graphite rod.
7. Electrolyte in the form of alkali, manganese, salt.
8. Plastic surgery.

Read more about the composition in this article:

The structure of a finger, round, crown, and telephone battery

AA battery analogs

In reality, there are not many substitutes.

1. Battery cells of similar size with similar parameters.
2. R6
3. LR6 or LR06 battery
4. 316
5. A316
6. AAA batteries
7. Any other type with the required voltage. If the size is too small, use an adapter. More on that below.

Most of the batteries listed are regular AA batteries with various markings. The main thing is that the replacement has a voltage of 1.5 V.

Can you charge AA batteries with a charger?

Only rechargeable batteries can be charged. The chemical process that occurs in a conventional battery is irreversible.

Folk methods of charging

Using the methods below may lead to adverse consequences.

1. Some people put batteries in their mouths and squeeze them with their teeth. This usually happens with battery packs. Someone might be watching TV and can't change the channel, but they chew on them and everything works fine. This can lead to tooth damage and mild poisoning due to electrolyte leakage.
2. Pour hot water into a glass or jar, so that it half covers the zinc cup. Continue this process for 15-30 minutes. Afterward, some functionality will be observed.
3. Take a regular cell phone charger with a round 5-volt tip. Attach two wires to the cylindrical tip—one positive and one negative. It's important to know which is which, otherwise you could drain the battery even further. Connect the wires to the battery according to polarity. Hold until it starts to heat up significantly. The key is not to overdo it, or the battery will stop working altogether.

If you use these three charging methods, do so at your own risk. Essentially, there's no electrical charging involved. It all works through compression and heating. The effect wears off quickly.

So batteries energizer, Duracell, Varta, Panasonicand other similar ones are not subject to charging.

Charger for AA batteries

Here's a picture of what the charger looks like. Remember this. saline, it is better not to charge alkaline batteries.

Schematic diagram of a charger for AA batteries

Below is a drawing of one of hundreds of schemes.

Thus, with certain knowledge or information gleaned from the Internet, anyone can assemble a charger for AA batteries on their own.

AA rechargeable batteries

This type of battery has a long lifespan and can be recharged multiple times. Some batteries can be recharged up to 1,000 times.

Capacity The capacity of such 1.5 volt batteries ranges from 1800 to 3000 mAh.

An external battery made with such elements turns out to be quite good.

Charging takes about 3 hours, but it all depends on the battery capacity.

It's better to recharge professional charger with an indicator purchased in a store.

Read also:

18650 battery

Little finger type

AA battery test

Based on Alexey Sorokin's research, we conclude that not all batteries should be chosen based on the principle of "the more expensive, the better." It's important to choose wisely.

Making a choice isn't easy. The performance of a power source depends on the conditions of use and the device.

Duracell company produces high-quality components for digital photography equipment. These components handle pulsed loads very well. You can buy them if cost isn't a concern.

Kodak – Suitable for devices with a consistent power consumption. Flashlights, toys, and other similar devices will love this element. They also handle pulsed power quite well.

GP – this is something in between. Suitable for all types of electrical appliances.

Energizer – expensive and not very effective.

Trophy – they are not expensive and last longer than all the others.

Thus, the rating of AA batteries is as follows:

1. Trophy
2. Duracell
3. Kodak
4. GP
5. Energizer

Such a comparison will help you make the right choice.

Box for AA batteries

The compartment is used for carrying. This way, the batteries will be best protected from moisture and short circuits. Most often, containers for AA batteries are made of plastic. However, sometimes you can find homemade paper boxes.

A regular plastic bag with a zipper can also serve as a case. This type of packaging is moisture- and dust-resistant. Cases are available for different numbers of power sources. Cases with lids for 6-8 AA batteries are available. These cassettes last a long time, making them quite durable.

In principle, with a little ingenuity, you can make an AA block yourself. You just need to find a suitable box and fashion it into a rectangular container. Such a device will come in handy if you need to transport it.

AA battery holder

This device is designed to hold AA batteries. It's typically a plastic container, covered on one side and open on the other. Inside are contacts, some of which are made of metal plates, while others are spring-shaped.

Black and red wires protrude from the outside of this plastic box. You can make a similar holder for AA batteries yourself. To do this, you'll need:

• Scissors.
• Scotch.
• Plastic bottle.
• Empty cigarette packs.
• Wires for electrical output.

Thus, almost anyone can make this device.

Adapter for AA batteries

If you want to convert a standard battery into a larger one, such as a Type C, you'll need an adapter. Fortunately, the industry currently produces such units.

In stores it costs 30-50 rubles.

 

Dummy AA battery

This thing serves as a substitute for a real power source. It can also be used as a toy for children. Real batteries are dangerous to give to children due to the potential toxic elements. These, however, are virtually harmless. The only thing a child can do with them is swallow them. Therefore, older children are better off playing with them.

A DIY dummy AA battery can be made from regular cardboard or 5-milliliter syringes. The image below shows how these plastic devices replace real power sources in a camera.

This device has a wire protruding from it that can be connected to any 3-volt power source. This approach is convenient in some cases.

Here's what you'll need:

1. 2 syringes 5 ml or cardboard/paper.
2. Metal round plates from old power batteries.
3. Wires.
4. A capacitor can be used as an energy storage device.

Next, a dummy is made from all of this as shown in the picture above. The main thing is not to mix it up. polarity.

AA batteries photo

The pictures below show the appearance of an AA battery.

 

This is what a 2AA battery looks like.

Power bank on AA batteries

There are two options to get a Power Bank:

1. Buy in store.
2. Do it yourself.

The first one is the easiest. The second one is a little more complicated.

A power bank with AA batteries is not very efficient and not very profitable.

For self-assembly you will need:

• 4 batteries or more.
• USB connector.
• Wire.
• In some cases, a controller, resistor, or LED may be required.
• Diodes.

 

Scheme Power Banka on AA batteries

 

How much do AA batteries cost?

Currently, a single-input AA battery starts at 36 rubles. This price is very approximate. You can find cheaper ones from Chinese manufacturers on the market. It all depends on the brand and the type, regular or rechargeable.

Don't overlook online stores. You can easily find the right power supply or order a complete kit at an attractive price.

So, you've just finished reviewing AA batteries. That concludes the article. Best of luck!